Brake Caliper Adjustment Components

Precision Adjustment Shafts for Knorr-Bremse SN7 Disc Brakes

Factory-direct manufacturer of brake caliper adjuster main & secondary shafts for 22.5″ commercial vehicle pneumatic disc brakes. OE-compatible machining, full inspection before shipment, export-proven in Poland & Turkey.

ThinkRall factory workshop
Factory DirectWe manufacture, not trade
OE-CompatibleKnorr-Bremse SN7, 22.5″
Export-ProvenStable supply to Poland & Turkey
100% InspectedDimensional check before shipment
Our Products

Brake Caliper Adjuster Shafts, Machined to Spec

Main shafts, secondary shaft and calibration bolt for the SN7 adjuster mechanism — produced from raw material to finished part in our own workshop.

Adjuster mechanism main shaft

Adjuster Main Shaft

Primary shaft of the brake adjuster mechanism for Knorr-Bremse SN7 series. Machined to drawing tolerances, with threads and splines per OE specification.

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Adjuster mechanism secondary shaft

Adjuster Secondary Shaft

Matching secondary shaft of the SN7 adjustment mechanism. Manufactured as a matched set with the main shaft for reliable adjustment performance.

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Brake caliper calibration bolt

Calibration Bolt

Calibration / adjustment bolt of the SN7 brake caliper adjuster mechanism. Machined to drawing tolerances.

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Adjuster main shaft Allen type

Main Shaft (Allen)

Allen-type main shaft of the SN7 self-adjusting mechanism. YJ5029.

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2nd generation adjuster main shaft Torx NT

2nd Gen Main Shaft (Torx NT)

New-type Torx NT main shaft for the SN7 mechanism. YJ5030.

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Why ThinkRall

Built for Aftermarket Suppliers Who Cannot Afford Returns

One-Stop Machining

Turning, milling, threading, splining and surface treatment handled in-house — consistent quality batch after batch.

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Drawing-Based Production

We work from your drawings or OE samples. Dimensional tolerances are agreed up front and verified on every batch.

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Full Inspection

Key dimensions 100% checked before packing. Material certificates available on request.

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Export-Ready Packaging

Carton + pallet packing designed to survive long-distance freight and keep parts rust-free.

Knorr self-adjusting mechanism
Application

Where Our Shafts Are Used

Our adjuster shafts are designed for the brake adjustment mechanism of Knorr-Bremse SN7 series pneumatic disc brakes fitted on commercial vehicles with 22.5″ wheels.

  • Trailer and truck air disc brakes (22.5″)
  • Brake caliper adjustment mechanism — main & secondary shaft
  • Aftermarket replacement and OE supply programs
  • OE / cross-reference numbers confirmed against your drawings & parts catalogue

Check OE Compatibility →

Carton and pallet packaging
Logistics

Packing That Arrives as Shipped

Parts are anti-rust treated, seated in plastic inner trays, packed into cartons, then consolidated on wooden pallets — or crated in wooden boxes for extra protection — ready for sea or air freight. We ship steadily to Poland and Turkey and can arrange door-to-door delivery.

  • Anti-rust treatment before packing
  • Plastic inner tray → carton → wooden pallet / wooden crate
  • Regular LCL / FCL shipments to Europe
  • Marking and documents per your requirements

Need a Quote or OE Cross-Reference?

Send us your drawings, samples or part numbers. We reply within 24 hours with availability and pricing.